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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009047355068 1,254 digits created 2026-08-05

Value

171294397441608533052047600319508016332199800444510122407133298887711835286455515174943961079723647202668662902939773937810752189136998841245521626060861468606181341053342753045714817066764278963354888549207655986402377059361445408856049446257163820643466143907712189321592789346997382317661985908017241023643966402816716796312798414896113736345390026714921068255684597510894009960190572521480261439791405037703433837251143026005655570762302482280210938939232416452125699378416097363097864155614243928135569030105379236839255972176578987831972115994807234468526760800248021571575660829095044696452832427160469285454729646732588175125946576797264827909768596054550119232662716040757757067240007750662942087055811589658165607787353475925679239522793693394899700099246227303478924934430633993085899591872921996505225330957253410622759380152517886051144260375806799956285033884048479448954701302634846395684585840653263409431246486418472889263161585000368396302667525401553160301466348868008426224503313757672111843112520336114889852269000722185340169723489613956763703490426758876552189448094751564317836389191263700050208544248483301188309235776544985200702334399678744609939833147391207431684222962162543920524556994778338285928253721195269593741510934367
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,454-digit prime (112 intermediate primes).

Certified number1,454-digit prime
Certificatedownload
Certificate chainshow step 17 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047355068 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009047355068},"decimal":true,"detail":2}}'